Rumor 1 :Suddenly jerking during sleep may indicate a risk of sudden death.
/✗:This is a wrong statement
This is not a sign of “sudden death.” This phenomenon is called “hypnic jerk,” also known as “sleep start” or “sleep myoclonus.” Hypnic jerk poses no threat to life but can interfere with our sleep and affect sleep quality.
To improve sleep quality when experiencing hypnic jerk, here are some suggestions:
- Learn to relax and relieve stress.
- Exercise appropriately and avoid electronic devices before bedtime.
- Drink more lukewarm water and reduce consumption of stimulating beverages such as coffee and strong tea.
- Increase calcium intake.
- Soak your feet and give yourself a foot massage before bedtime.
In summary, experiencing a “sudden jerk while sleeping” is a normal physiological phenomenon in life, and there is no need for excessive concern.
Rumor 2 :Long-term consumption of milk may increase the risk of breast cancer.
/✗:This is a wrong statement
This is a study of “correlation” rather than “causality,” akin to the observation that more people eat ice cream on hot days and more people suffer from heatstroke, but this does not indicate that eating ice cream causes heatstroke.
According to the World Cancer Research Fund (WCRF)’s report on breast cancer, there is no consistent conclusion regarding the relationship between milk consumption and cancer, and some studies even suggest that dairy intake is associated with a reduced risk of breast cancer.
An expert panel has reviewed multiple relevant research evidences to date and believes that dairy intake is not related to the risk of breast cancer.
Currently, factors such as alcohol consumption, excessive red meat intake, low whole grain and cereal consumption, inadequate exercise, obesity, and mental stress are recognized as being associated with the risk of breast cancer.
Therefore, consuming milk daily for calcium supplementation does not increase the risk of breast cancer, and adopting a healthy lifestyle is the most important aspect of disease prevention.
Rumor 3 :Adjusting the air conditioning on and off according to the room temperature can save electricity.
/✗:This is a wrong statement
Frequently switching the air conditioner on and off actually consumes more electricity. Even the simplest air conditioner is composed of a compressor, reversing valve, condenser, throttling valve, and evaporator. During the cooling process of an air conditioner, the compressor plays the most crucial role and is the major energy consumer.
When the compressor starts, the rotational speed of its rotor components increases from 0 to the designated speed. In this process, besides the energy consumption for compressing fluid, friction, and random vibration, there is also starting energy consumption, which is the energy required to accelerate the rotor. The larger the rotor, the more energy consumption in this part.
If an air conditioner is started and stopped repeatedly too many times, the total energy consumption will be higher than if it were kept running continuously. And the longer the air conditioner operates, the more obvious this comparison becomes. The most effective way to save electricity is to narrow the temperature difference between indoors and outdoors and minimize the heat exchange between them.
In addition, completely disconnecting the power when the air conditioner is not in use, reasonably utilizing the sleep mode, and using inverter air conditioners can also save electricity.
Rumor 4 :After receiving the COVID-19 vaccine, anesthetic agents should not be used.
/✗:This is a wrong statement
In an article titled “COVID-19 Has Changed Surgery Forever” published by the American Society of Anesthesiologists on March 14th of this year, it was clearly stated that there is insufficient evidence to suggest that COVID-19 or COVID-19 vaccines affect anesthesia.
However, due to the temporary stress that surgery places on the body and immune system, it is recommended that patients undergo anesthetic surgery only after they have fully recovered from COVID-19 or have completed all vaccine doses and achieved full immunity.
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